AutoCodes – Generic – B1580

B1580 Code - Dim Panel Increase Input Circuit Open

Quick Answer

The Body Control Module (BCM) monitors the Dim Panel Switch. Common causes include Faulty Dim Panel Switch, Dim Panel Switch harness is open or shorted, Dim Panel Switch circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: B1580 indicates Dim Panel Increase Input Circuit Open.
Common causes: Common causes include Faulty Dim Panel Switch, Dim Panel Switch harness is open or shorted, Dim Panel Switch circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 7,013

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on May 05, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1580 Description

The Body Control Module (BCM) monitors the Dim Panel Switch. The BCM sets the OBDII code when the Dim Panel Switch is not to factory specifications.

OBDII Code B1580 - Dim Panel Increase Input Circuit Open - AutoCodes.com — B1580 Code - Dim Panel Increase Input Circuit Open

What does this mean?

What are the Possible Causes of the DTC B1580?

Faulty Dim Panel Switch
Dim Panel Switch harness is open or shorted
Dim Panel Switch circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC B1580?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1580 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the B1580 code?

Need more information on how to fix the B1580 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1580 code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B1580 Code

1. What are common symptoms of OBDII code B1580 (Dim Panel Increase Input Circuit Open)?

The common symptoms of OBDII code B1580 include dim or flickering panel lights on the dashboard.

2. What can cause the OBDII code B1580 to trigger?

The OBDII code B1580 (Dim Panel Increase Input Circuit Open) can be triggered by a fault in the circuit that controls the brightness of the panel lights.

3. How can I diagnose the cause of OBDII code B1580?

To diagnose the cause of OBDII code B1580, you can start by checking the wiring and connections related to the panel light dimming circuit for any damage or loose connections.

4. Can a blown fuse cause OBDII code B1580 to appear?

Yes, a blown fuse in the dim panel increase input circuit can cause OBDII code B1580 to appear.

5. What are some repair tips for fixing OBDII code B1580?

Repair tips for fixing OBDII code B1580 include checking and replacing any damaged wiring, repairing any loose connections, and ensuring the dim panel increase input circuit is functioning properly.

6. Is it safe to continue driving with OBDII code B1580 present?

It is generally safe to continue driving with OBDII code B1580 present, but it is recommended to address the issue promptly to avoid any potential electrical problems.

7. Can resetting the OBDII code B1580 solve the issue temporarily?

Resetting the OBDII code B1580 may temporarily turn off the warning light, but it will not fix the underlying issue causing the fault in the dim panel increase input circuit.

8. How much does it typically cost to repair OBDII code B1580?

The cost to repair OBDII code B1580 can vary depending on the extent of the damage and the specific repairs needed. It is recommended to consult a professional mechanic for an accurate estimate.

9. Are there any common DIY fixes for OBDII code B1580?

Some common DIY fixes for OBDII code B1580 include checking and replacing fuses, inspecting wiring for damage, and ensuring all connections are secure.

10. How long does it usually take to repair OBDII code B1580?

The repair time for OBDII code B1580 can vary based on the complexity of the issue and the availability of replacement parts. It is best to consult with a mechanic for a more accurate estimate of repair time.